EP3073662A4 - Rückkopplungsverfahren und vorrichtung für kanalstatusinformationsrückkopplung - Google Patents

Rückkopplungsverfahren und vorrichtung für kanalstatusinformationsrückkopplung

Info

Publication number
EP3073662A4
EP3073662A4 EP13897692.3A EP13897692A EP3073662A4 EP 3073662 A4 EP3073662 A4 EP 3073662A4 EP 13897692 A EP13897692 A EP 13897692A EP 3073662 A4 EP3073662 A4 EP 3073662A4
Authority
EP
European Patent Office
Prior art keywords
state information
channel state
retrieving channel
retrieving
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13897692.3A
Other languages
English (en)
French (fr)
Other versions
EP3073662B1 (de
EP3073662A1 (de
Inventor
Jianqin Liu
Jianghua Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP3073662A1 publication Critical patent/EP3073662A1/de
Publication of EP3073662A4 publication Critical patent/EP3073662A4/de
Application granted granted Critical
Publication of EP3073662B1 publication Critical patent/EP3073662B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H04B7/0479—Special codebook structures directed to feedback optimisation for multi-dimensional arrays, e.g. horizontal or vertical pre-distortion matrix index [PMI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
EP13897692.3A 2013-11-22 2013-11-22 Rückkopplungsverfahren und vorrichtung für kanalstatusinformationsrückkopplung Active EP3073662B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/087728 WO2015074262A1 (zh) 2013-11-22 2013-11-22 一种信道状态信息的反馈方法及装置

Publications (3)

Publication Number Publication Date
EP3073662A1 EP3073662A1 (de) 2016-09-28
EP3073662A4 true EP3073662A4 (de) 2016-12-07
EP3073662B1 EP3073662B1 (de) 2020-10-07

Family

ID=53178831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13897692.3A Active EP3073662B1 (de) 2013-11-22 2013-11-22 Rückkopplungsverfahren und vorrichtung für kanalstatusinformationsrückkopplung

Country Status (5)

Country Link
US (2) US9838106B2 (de)
EP (1) EP3073662B1 (de)
KR (1) KR101852914B1 (de)
CN (1) CN105009494B (de)
WO (1) WO2015074262A1 (de)

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EP3282629B1 (de) * 2015-04-08 2020-09-09 LG Electronics Inc. Verfahren zur meldung des kanalstatus und vorrichtung dafür
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WO2017075821A1 (zh) * 2015-11-06 2017-05-11 华为技术有限公司 一种信道状态信息的测量与反馈方法、用户设备及基站
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CN107294642A (zh) * 2016-03-31 2017-10-24 中兴通讯股份有限公司 一种实现信道状态信息反馈的方法及装置
CN105871435B (zh) * 2016-04-01 2019-04-02 北京北方烽火科技有限公司 信道状态信息反馈方法、装置及用户设备
DK3920455T3 (da) * 2016-05-13 2023-05-15 Ericsson Telefon Ab L M Csi-feedback med multiopløsning
KR102414697B1 (ko) 2016-07-29 2022-06-29 삼성전자 주식회사 다수의 배열 안테나를 사용하는 이동통신 시스템에서 csi-rs 포트 공유를 위한 기준신호 설정 방법 및 장치
US11025322B2 (en) * 2016-08-12 2021-06-01 Telefonaktiebolaget Lm Ericsson (Publ) Progressive advanced CSI feedback
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CN108288989B (zh) 2017-01-09 2020-12-08 华为技术有限公司 信道状态信息反馈方法、用户设备及基站
KR102364954B1 (ko) * 2017-05-04 2022-02-18 삼성전자 주식회사 무선 셀룰라 통신 시스템에서 상향 제어 채널의 자원 지시 방법 및 장치
CN109039406B (zh) * 2017-06-16 2019-11-19 华为技术有限公司 一种信道状态信息发送、接收方法、存储介质及设备
CN110034884B (zh) 2018-01-12 2023-07-07 华为技术有限公司 一种用于终端设备能力传输的方法、装置及系统
CN110351824B (zh) * 2018-04-04 2021-10-12 大唐移动通信设备有限公司 一种进行竞争随机接入的方法及设备
WO2020150936A1 (en) 2019-01-23 2020-07-30 Qualcomm Incorporated Precoder matrix quantization for compressed csi feedback
CN118971925A (zh) * 2019-08-16 2024-11-15 中兴通讯股份有限公司 信息反馈和接收方法、装置、通信节点和存储介质
WO2022160344A1 (zh) * 2021-02-01 2022-08-04 株式会社Ntt都科摩 基站和终端
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CN120729370A (zh) * 2024-03-29 2025-09-30 中兴通讯股份有限公司 信道状态信息的反馈方法、装置及存储介质

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Also Published As

Publication number Publication date
US9838106B2 (en) 2017-12-05
EP3073662B1 (de) 2020-10-07
US20160269089A1 (en) 2016-09-15
US20180091209A1 (en) 2018-03-29
KR101852914B1 (ko) 2018-04-27
CN105009494A (zh) 2015-10-28
US10567061B2 (en) 2020-02-18
CN105009494B (zh) 2019-07-09
WO2015074262A1 (zh) 2015-05-28
KR20160086948A (ko) 2016-07-20
EP3073662A1 (de) 2016-09-28

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